package com.hmall.common.config;


import com.hmall.common.interceptor.UserInfoInterceptor;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.DispatcherServlet;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;


@Configuration
// @ConditionalOnClass(DispatcherServlet.class) 含义就是只有当前springboot工程内置的是Servlet3.0规范的容器（tomcat）时，才初始化这个配置类
@ConditionalOnClass(DispatcherServlet.class) //必须添加否则getaway网关服务无法启动
public class MvcConfig implements WebMvcConfigurer {

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(new UserInfoInterceptor());
    }
}
